frexp(3) — bsd — mips UMIPS RISC/os 4.52



FREXP(3-BSD)        RISC/os Reference Manual         FREXP(3-BSD)



NAME
     frexp, ldexp, modf - split into mantissa and exponent

SYNOPSIS
     double frexp(value, eptr)
     double value;
     int *eptr;

     double ldexp(value, exp)
     double value;

     double modf(value, iptr)
     double value, *iptr;

DESCRIPTION
     frexp returns the mantissa of a double value as a double
     quantity, x, of magnitude less than 1 and stores an integer
     n such that value = x*2n indirectly through eptr.

     ldexp returns the quantity value*2exp.

     modf returns the positive fractional part of value and
     stores the integer part indirectly through iptr.
































                         Printed 1/15/91                   Page 1
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